主要介绍了水泡式激光扫平仪的原理及其精度测试方法。

This paper introduces the principle of laser level with bubbles and the method of accuracy measuring.

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此方法具有测量精度较低，使用环境要求暗室，长时间的测试容易使人眼疲劳等缺点。

This method has the disadvantages of low measuring precision, requiring environment of darkroom, and making eyes tired after a long-time testing.

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在舵机控制电路参数的测试过程中，选择适当的数据处理方法与优化测试电路性能，对于提高测试精度是同等重要的。

In the testing system, it is same important to select an appropriate data processing method as to optimize performance of hardware to improve the test accuracy.

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